Cheap Flights from Atlanta to Chicago O'Hare International

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Compare Atlanta to Chicago O'Hare International flight deals

Find the cheapest month or even day of the year to fly to Chicago O'Hare International

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Flight deals from Atlanta to Chicago O'Hare International

Looking for a cheap last-minute deal or the best return flight from Atlanta to Chicago O'Hare International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Atlanta to Chicago O'Hare International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Atlanta to Chicago O'Hare International flights are currently cheapest in May.

Direct flights from Atlanta to Chicago O'Hare International

Atlanta to Chicago O'Hare International: Alternative routes

Compare routes from Atlanta to Chicago below. You may find an airport to fly into that's cheaper, faster, or easier than Chicago O'Hare International.

Atlanta to Chicago: Flight information

The things to know before you go.
Cheapest flight found56 €
Cheapest month to flyMay
Average flight time2 hrs, 15 mins
Most popular airlineAlaska Airlines
Average flights per week654

Finding cheap flights from Atlanta to Chicago O'Hare International: Frequently asked questions

The best price we found for a return flight from Atlanta to Chicago O'Hare International is 56 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 15 minutes is the average flight time from Atlanta to Chicago O'Hare International.
Alaska Airlines, American Airlines and Qantas fly direct from Atlanta to Chicago O'Hare International.
As of April 2025, there are 633 flights per week flying from Atlanta to Chicago O'Hare International.
The cheapest month to fly from Atlanta to Chicago O'Hare International is usually April 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Atlanta to Chicago O'Hare International Airport on Wednesday, 7 May 2025.
Yes – the average flight time is 2 hours and 15 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chicago O'Hare International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Chicago O'Hare International is Frontier Airlines .

Flying from Atlanta to O'Hare International Airport (ORD): what you need to know

  • All exciting adventures set off from Atlanta's main airport, Hartsfield-Jackson Atlanta International Airport (ATL). Check out the options for reserving a flight from Atlanta to O'Hare International Airport (ORD) leaving from this base.

  • 2 hours 11 minutes is the average duration of a direct flight from Atlanta to O'Hare International Airport.

  • The timezone in Chicago is UTC-5, which is 1 hour behind Atlanta. O'Hare International Airport is located in Chicago.

  • Hartsfield-Jackson Atlanta International Airport (ATL) to O'Hare International Airport (ORD) is the most popular route. There are 331 direct flights a week to choose from. If you have things to do before leaving, take the last flight with Delta at 22:55. Opt for the first ATL to ORD departure with United at 06:00 if you want to get going earlier.

  • Give yourself enough time to catch your flight from Atlanta to ORD. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.

  • Popular months like July or holiday periods such as spring break and Christmas will mean longer waits at check-in and security. Travelling then? Play it safe and get to the airport even earlier. Arriving two hours before a domestic flight and up four hours ahead of an international flight is wise.

Airports in Atlanta

Hartsfield-Jackson Atlanta International Airport (ATL)

  • Fly without interruptions from Hartsfield-Jackson Atlanta International Airport (ATL). Nonstop flights from Atlanta to O'Hare International Airport (ORD) operate from here.

  • These are some of the well-known carriers offering direct flights from Atlanta to O'Hare International Airport taking off from ATL:

  • The distance from central Atlanta to ATL is about 18 kilometres. Check out travel apps like Google Maps for the best way to get there, whether you prefer to drive or use public transport.

  • Catching an early flight from Atlanta to O'Hare International Airport? Avoid the last-minute rush to the terminal (and sneak in some extra precious sleep) by choosing one of these hotels close to Hartsfield-Jackson Atlanta International Airport:

About O'Hare International Airport (ORD)

Getting from O'Hare International Airport (ORD) to central Chicago

  • O'Hare International Airport to the centre of Chicago takes about 35 minutes in a car. It's approximately 40 kilometres away. See what options are available, such as cabs, car rentals or ride-sharing.

  • If you're using public transport, expect a journey of roughly 54 minutes.

How to find the cheapest flights from Atlanta to O'Hare International Airport (ORD)

  • The lowest price we've seen for a one-way ticket from Atlanta to O'Hare International Airport is 33 €. The cheapest price for a return flight is 56 €. Keep in mind fares may change due to demand at the time of booking.

  • 8 months before your departure is the best time to score cheap tickets from Atlanta to ORD.

  • The cheapest month for tickets from Atlanta to O'Hare International Airport is May. Use the 'Whole month' search feature to find the most affordable day to fly if you're flexible with your departure dates.

  • Set up a Price Alert for cheap tickets from Atlanta to ORD. There's no need to check every day to see if prices have dropped. We'll tell you the moment there's a change in price.

  • Tailor your flights with filters. Select your preferred arrival and departure times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from Atlanta to O'Hare International Airport.

The best time to fly from Atlanta to O'Hare International Airport (ORD)

  • It's time to figure out your travel dates for your flight from Atlanta to O'Hare International Airport. August is the busiest month to visit Chicago. If you prefer a quieter atmosphere, go in February.

  • Schedule your flight from Atlanta to ORD for July if you're eager to explore the city during its warmest month. Expect temperatures in Chicago to range from 15ºC to 29ºC.

  • Search for cheap flights from Atlanta to O'Hare International Airport in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -12ºC and 3ºC on average.

More about Chicago

Complete your Chicago trip with a car rental

  • We use the same magic that helped you find your cheap flight from Atlanta to O'Hare International Airport to track down your ideal ride. Browse our car rentals in Chicago and compare your options in one place. Plus we give you all the info you need to know, from the most popular rental company to the average daily price.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.